refactor(proxy): isolate event bus panics

Co-Authored-By: Virgil <virgil@lethean.io>

core_impl.go

@@ -52,6 +52,9 @@ func getSplitterFactory(mode string) (func(*Config, *EventBus) Splitter, bool) {
 // LoadConfig reads and unmarshals a JSON config file.
 //
 //	cfg, result := LoadConfig("config.json")
+//	if !result.OK {
+//	    return
+//	}
 func LoadConfig(path string) (*Config, Result) {
 	data, err := os.ReadFile(path)
 	if err != nil {
@@ -143,7 +146,12 @@ func (b *EventBus) Dispatch(e Event) {
 	handlers := append([]EventHandler(nil), b.listeners[e.Type]...)
 	b.mu.RUnlock()
 	for _, handler := range handlers {
-		handler(e)
+		func() {
+			defer func() {
+				_ = recover()
+			}()
+			handler(e)
+		}()
 	}
 }